code: def encodebytes(s):
      """Encode a bytestring into a bytes object containing multiple lines
      of base-64 data."""
      _input_type_check(s)
      pieces = []
      for i in range(0, len(s), MAXBINSIZE):
          chunk = s[i : i + MAXBINSIZE]
          pieces.append(binascii.b2a_base64(chunk))
      return b"".join(pieces)
  
imports: import re
  import struct
  import binascii
label_desc: Use image node_id 24 for calling a global function with example usage: encodebytes(s) and returns: bytes